57 lines
1.6 KiB
Rust
57 lines
1.6 KiB
Rust
use std::path::Path;
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use std::path::PathBuf;
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use shlex::try_join;
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pub(crate) fn escape_command(command: &[String]) -> String {
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try_join(command.iter().map(|s| s.as_str())).unwrap_or_else(|_| command.join(" "))
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}
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pub(crate) fn strip_bash_lc_and_escape(command: &[String]) -> String {
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match command {
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[first, second, third] if first == "bash" && second == "-lc" => third.clone(),
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_ => escape_command(command),
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}
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}
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/// If `path` is absolute and inside $HOME, return the part *after* the home
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/// directory; otherwise, return the path as-is. Note if `path` is the homedir,
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/// this will return and empty path.
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pub(crate) fn relativize_to_home<P>(path: P) -> Option<PathBuf>
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where
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P: AsRef<Path>,
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{
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let path = path.as_ref();
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if !path.is_absolute() {
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// If the path is not absolute, we can’t do anything with it.
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return None;
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}
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if let Some(home_dir) = std::env::var_os("HOME").map(PathBuf::from)
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&& let Ok(rel) = path.strip_prefix(&home_dir)
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{
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return Some(rel.to_path_buf());
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}
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None
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_escape_command() {
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let args = vec!["foo".into(), "bar baz".into(), "weird&stuff".into()];
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let cmdline = escape_command(&args);
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assert_eq!(cmdline, "foo 'bar baz' 'weird&stuff'");
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}
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#[test]
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fn test_strip_bash_lc_and_escape() {
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let args = vec!["bash".into(), "-lc".into(), "echo hello".into()];
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let cmdline = strip_bash_lc_and_escape(&args);
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assert_eq!(cmdline, "echo hello");
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}
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}
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